What is cognitive engineering? As a start, engineering is defined as t
he application of scientific principles to the design, building, and u
se of machines, constructions, etc. In simpler terms, engineering is t
he use of a systematic approach, based on scientific knowledge, to the
design, building, and use of artefacts, with equal emphasis on design
, building and use. Given this definition; then what is the meaning of
the adjective 'cognitive'?.